2970704128 has 72 divisors (see below), whose sum is σ = 6858911808. Its totient is φ = 1257756672.

The previous prime is 2970704069. The next prime is 2970704141. The reversal of 2970704128 is 8214070792.

It is a super-2 number, since 2×2970704128² = 17650166032232480768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138750 + ... + 158722.

It is an arithmetic number, because the mean of its divisors is an integer number (95262664).

Almost surely, 2^2970704128 is an apocalyptic number.

2970704128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2970704128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3429455904).

2970704128 is an abundant number, since it is smaller than the sum of its proper divisors (3888207680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2970704128 is an equidigital number, since it uses as much as digits as its factorization.

2970704128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079 (or 20065 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2970704128 is about 54504.1661526896. The cubic root of 2970704128 is about 1437.5395431895.

The spelling of 2970704128 in words is "two billion, nine hundred seventy million, seven hundred four thousand, one hundred twenty-eight".